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Added more objects to BDK port, and connected AI to ADC7, and BI0..BI4 to PINB0..PINB4. Fixed up some other objects and object API (header files).

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This commit is contained in:
skarg
2009-06-18 03:58:54 +00:00
parent 6e6cdf2bc0
commit e70dd3c7ba
18 changed files with 814 additions and 29 deletions
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bacnet-stack/ports/bdk-atxx4-mstp/input.c
+61 -10
View File
@@ -22,22 +22,36 @@
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*********************************************************************/
#include <stdint.h>
#include <stdbool.h>
#include "hardware.h"
static uint8_t Address_Switch;
static uint8_t Buttons;
/* debounce the inputs */
void input_task(
void)
{
uint8_t value;
static uint8_t old_value = 0;
static uint8_t old_address = 0;
static uint8_t old_buttons = 0;
value = BITMASK_CHECK(PINA, 0x7F);
if (value != old_value) {
old_value = value;
if (value != old_address) {
old_address = value;
} else {
if (old_value != Address_Switch) {
Address_Switch = old_value;
if (old_address != Address_Switch) {
Address_Switch = old_address;
}
}
/* pins used are PB4, PB3, PB2, PB1, PB0 */
value = BITMASK_CHECK(PINB, 0x1F);
if (value != old_buttons) {
old_buttons = value;
} else {
if (old_buttons != Buttons) {
Buttons = old_buttons;
}
}
}
@@ -48,12 +62,49 @@ uint8_t input_address(
return Address_Switch;
}
bool input_button_value(
uint8_t index)
{
bool value = false;
switch (index) {
case 0:
value = BIT_CHECK(Buttons, 0);
break;
case 1:
value = BIT_CHECK(Buttons, 1);
break;
case 2:
value = BIT_CHECK(Buttons, 2);
break;
case 3:
value = BIT_CHECK(Buttons, 3);
break;
case 4:
value = BIT_CHECK(Buttons, 4);
break;
default:
break;
}
return value;
}
void input_init(
void)
{
/* configure the port pins */
BITMASK_CLEAR(DDRA,
_BV(DDA0) | _BV(DDA1) | _BV(DDA2) | _BV(DDA3) | _BV(DDA4) | _BV(DDA5) |
_BV(DDA6)
);
/* configure the port pins for the switch */
BIT_CLEAR(DDRA, DDA0);
BIT_CLEAR(DDRA, DDA1);
BIT_CLEAR(DDRA, DDA2);
BIT_CLEAR(DDRA, DDA3);
BIT_CLEAR(DDRA, DDA4);
BIT_CLEAR(DDRA, DDA5);
BIT_CLEAR(DDRA, DDA6);
/* configure the port pins for binary inputs */
BIT_CLEAR(DDRB, DDB1);
BIT_CLEAR(DDRB, DDB2);
BIT_CLEAR(DDRB, DDB3);
BIT_CLEAR(DDRB, DDB4);
}